chuyen de nha o cao tang 9533

7/31/2019 Chuyen de Nha o Cao Tang 9533

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I HC KIN TRC TP H CH MINH

KHOA KIN TRC

CHUYN KIN TRC :MSSV: K065415

GVHD: LNG QUC ANHSVTH: PHM VN O

MSSV: K065415

NH CAO TNG


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1CHUYN KIN TRC- NH CAO TNG

TI:

TRNH BY NHNG TIU CHUN VNGUYN L THIT K CA LOI HNH

NH CAO TNG

GVHD : LNG QUC ANH

SVTH : PHM VN O

MSSV : K065415

LP : KT06VL


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MT S NGUYN L THIT K CBN, TIU CHUN THIT K CHOLOI HNH NH CAO TNGI. TI LIU THAM KHO

a. B Quy chun xy dng Vit Nam

b. TCVN 2737-1995- Ti trng v tc ng- Tiu chun thit kc. TCVN 6160-1996- Phng chy, cha chy- Nh cao tng- Yu cu thit kd. TCVN 5760-1993- H thng cha chy- Yu cu chung v thit k, lp t

v s dnge. TCVN 5738: 2001- H thng bo chy- Yu cu k thutf. TCVN 5687-1992- Thng gi, iu tit khng kh v si m- Tiu chun

thit kg. TCVN 4474-1987- Thot nc bn trong- Tiu chun thit kh. TCVN 4513-1988- Cp nc bn trong- Tiu chun thit ki. TCVN 4605-1988- K thut nhit- kt cu ngn che- Tiu chun thit kj. TCVN 5744-1993- Thang my-Yu cu an ton trong lp t v s dng

k. TCXD 16-1986- Chiu sng nhn to trong cng trnh dn dngl. TCXD 29-1991- Chiu sng t nhin trong cng trnh dn dngm. TCXD 25-1991- t ng dy dn in trong nh v cng trnh cng

cng-Tiu chun thit kn. TCXD 27-1991- t thit bin trong nh v cng trnh cng cng-Tiu

chun thit ko. TCXD 198-1997- Nh cao tng-Thit k kt cu b tng ct thp ton khip. TCXDVN 266-2002. Nh - Hng dn xy dng cng trnh m bo

ngi tn tt tip cn s dng.II. NGUYN L CBN & TIU CHUN THIT K

1.QUY NH CHUNG V THIT K NH CAO TNGa. Thit k nh cao tng phi m bo an ton, bn vng, thch dng, m

quan, ph hp vi iu kin kh hu, t nhin v nhu cu s dng ca cngng.

b. Thit k nh cao tng cn a dng v quy m cn hp ng nhu cu v ph hp vi xu th pht trin ca x hi, thun tin cho vic s dng vqun l cng trnh.

c. Thit k cn h trong nh cao tng phi m bo cc iu kin v anninh, chng n, tm nhn cnh quan v v sinh mi trng ng thi m

bo tnh c lp, khp kn, tin nghi v an ton s dng.d. Nh cao tng cn m bo thun li cho ngi s dng tip cn vi cctrang thit b v h thng cung cp dch v nhiu ho khng kh, cp ga,cp truyn hnh, in thoi, vin thng, thu gom rc v.v...

e. Thit k nh cao tng phi tnh n tc ng ca ng t v gi bo nhquy nh trong cc tiu chun hin hnh.

f. C gii php thit k ph hp vi iu kin c th ca cng trnh. Nn sdng h kt cu b tng ct thp ton khi. H kt cu chu lc ca nh cao tng phi r rng, mch lc.

g. Nn la chn gii php t chc mt bng v hnh khi nhm m bo tng

cng cng trnh


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h. Thit k kt cu cng trnh nh cao tng phi bo m bn vng, n nhc bin dng nm trong gii hn cho php..

i. Vic b tr khe ln, khe co gin phi tun theo cc quy nh ca tiu chunhin hnh.

j. Kt cu tng bao che bn ngoi nh phi m bo an ton, chng thm,cch nhit v chng n.2.YU CU V QUY HOC TNG TH TRONG KHU TH MI

a. Khu t xy dng nh cao tng phi m bo cc nguyn tc c bnsau y:

Ph hp vi quy hoch c duyt; C h thng h tng k thut ng b, p ng yu cu hin ti v

pht trin trong tng lai;m bo an ton phng chng chy n, thun tin cho vic cha

chy v m bo v sinh mi trng.

b. Tu thuc vo yu cu quy hoch xy dng, kin trc cnh quan th, nh cao tng c thit k theo cao khng ch m quy hoch th quynh cho tng vng.

c. Phi bo m mt xy dng khng vt qu 40% v h s s dng tkhng vt qu 5,0 khi thit k nh cao tng trong cc khu th mi.

d. B cc nh cao tng phi m bo cc yu cu v phng chy, chachy, chiu sng, thng gi, chng n, khong cch ly v sinh,

e. H thng thot nc sinh hot v h thng thot nc ma phi c thitk tch ring. Nu h thng thot nc khng u ni vi h thng thot

nc chung ca th th nc thi sinh hot phi c x l t tiu chuntrc khi x ra khu vc thot nc ca th.

f. Tu thuc vo t chc quy hoch khng gian kin trc, chiu cao cng trnhv chiu rng ca l gii, khong li ti thiu ca nh cao tng khngc nh hn 6m.

g. Khong cch gia cc mt nh i din ca hai nh cao tng c lp phim bo iu kin thng gi, chiu sng t nhin, an ton khi c chy vkhng c nh hn 25m

h.m bo khong cch an ton phng chng chy trong khu nh caotng, ng dnh cho xe cha chy phi c chiu rng thng thu khngnh hn 3,5m v chiu cao thng thu khng nh hn 4,25m. Cui ngct phi c khong trng quay xe. Kch thc ch quay xe khng nhhn 15m x 15m.

i. Khi xy dng nh cao tng phi b tr ch xe. Ch xe c thttrong cng trnh hoc ngoi cng trnh. Din tch tnh ton ch xe cly theo tiu chun.

3.NI DUNG V GII PHP THIT K CNG TRNHa. - Khi thit k nh cao tng cn phi cn c vo cc hot ng trong cng

trnh, i tng s dng, yu t tm l, iu kin kinh t x hi, iu kin kh

hu t nhin v xu th pht trin nh cao tng trong tng lai xc nhc cu cn h v la chn gii php thit k cho ph hp.


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b. Cc loi khng gian chc nng trong nh cao tng:c. Khng gian chc nng giao tip: snh chnh vo nh, snh tng, phng a

nng (phng s dng cho hot ng sinh hot tp th, hi hp...);d. Khng gian chc nng dch v cng cng : dch v sa cha dng gia

nh, ch xe chung, cc dch v cng cng, vn ho...;e. Khng gian chc nng qun l hnh chnh: phng qun l hnh chnh vqun l k thut ngi nh;

f. Khng gian chc nng : cc cn h;g. Khng gian chc nng giao thng : cu thang b, hnh lang, thang my;h. Khng gian k thut : cc bung t thit bin, nc , thu gom rc...i. Khng gian chc nng giao tip trong nh cao tngj. Khng gian chc nng phc v cng cng trong nh cao tngk. Khng gian chc nng qun l hnh chnh v qun l k thutl. Khng gian chc nng ca cn h Cc khng gian chc nng ca cn h trong nh cao tng, bao gm:o Snh cn h;o Phng khch- sinh hot chung;o Ch lm vic, hc tp;o Ch th cng t tin;o Cc phng ng;o Phng n;o Bp;o Phng v sinh;

o Ch git gi, phi qun o;o Ban cng hoc logia;o Kho cha .

Tu theo mc ch s dng c th b tr kt hp cc loi khng gianchc nng

Vic b tr cc bung, phng trong cn h phi m bo cc yu cu sau:o Hp l v dy chuyn s dng, m bo c lp, khp kn, to khng

gian kin trc hi ho: C kh nng chuyn i linh hot. S dng hpl, an ton, khng ph v cu trc v bn vng cng trnh; C khng

gian rng, thong, b cc m tng hiu qu khng gian kin trccn h;o Bo m yu cu v sinh v iu kin vi kh hu cho cn h

m bo an ton v tin nghi s dng, cc tm tng ngn cchgia cc cn h phi lm bng vt liu c bn chc v cch m.

T tng 6 tr ln khng c thit k ban cng, chc thit k l gia.Lan can l gia khng c h chn v c chiu cao khng nh hn1,2m.

i vi cn h dnh cho ngi tn tt cn tham kho tiu chun Nh -Hng dn xy dng cng trnh m bo ngi tn tt tip cn sdng.


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S lng cn h hp l ca mt tng trong mt n nguyn ca nh cao tng nn t 4 cn hn 6 cn h, c b tr xung quanh mt ntgiao thng thang b, thang my.

S phng ti thiu trong mt cn h khng nh hn 2.

Din tch cn h khng nn nh hn 50 m2 . Cc cn h trong nh cao tng c phn thnh 3 loi: nh (A), trung

bnh (B) v ln (C). T l s lng cc cn h gia loi nh, trung bnhv ln l 1: 2: 1.

Tiu chun din tch s dng ti thiu mt s b phn c bn trong cnhc quy nh nh sau:o Snh cn h: 3m2;o Phng khch- phng sinh hot chung: 14m2;o Phng ngi: 12m2;o Phng ngn: 10m2o Phng v sinh c bn tm : 5m2; tm hng sen: 3m2o Bp nu : 5m2;o Bp kt hp vi phng n : 12m2

Chiu cao thng thu cc phng khng c nh hn 3m v khngc ln hn 3,6m.

m. Cc h thng k thut chung Cu thang b Thang my Tng hm Mi Ca s Nn v sn nh ng thng hi, ng thng gi v ng ng rc

4.YU CU THIT K CP THOT NCa. Trong nh cao tng phi thit k h thng cp nc sinh hot v cp

nc cha chy nh quy nh trong tiu chun hin hnh .b. Tu theo mc tin nghi, tiu chun dng nc trong ngy dng nc

ln nht c tnh t 200lt /ngi/ngy m n 300lt/ngi/ ngy m.

Tiu chun nc cha chy ly 2,5lt/giy/ct v s ct nc cha chy bntrong nh ly l 2.

c. Cn tn dng trit p lc ng ng cp nc bn ngoi. Khi khng p lc, phi thit k h thng phn vng cp nc m bo lu lng vp lc nc. p lc nc lm vic ca cc dng c v sinh trong h thngcp nc sinh hot khng c ln hn 60m. p lc t do thng xuynca cc hng cha chy bn trong nh phi m bo chiu cao ct nckhng thp hn 6m.

d. Phi m bo cp nc lin tc cho nhu cu s dng nc trong nh

cao tng.


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e. Trng hp khng p lc v lu lng nc phi b tr b cha, mybm hoc cc thit b tng p khc.

f. Mng li phn phi ca ng ng cp nc bn trong nh cao tngc t trong tng hm, tng k thut nhng khng c t chung vi

cc ng ng thng gi v thng hi.g. Phi c gii php chng n do hin tng va thu lc cho cc thit b cpthot nc nh van gim p, vi ly nc, my bm...

h. gim p lc nc v trnh lng ph nc, trn ng ng dn ncvo hoc trn ng ng nhnh dn nc ti cc im ly nc mi tngcn t cc thit b sau: Khi lu lng khng i t rng en (tm chn c l); Khi lu lng thay i t thit biu chnh p lc,

i. Phi t kt nc p lc hoc b cha nc trn mi nh cao tng mbo khi lng nc d tr nhm iu chnh ch nc khng i hov cp nc cha chy trong thi gian 10 pht. Cn c ng phn phi ringm bo lng nc cha chy khng b s dng vo mc ch khc.

j. Tiu chun nc thi sinh hot c ly theo tiu chun cp nc vc thit k theo ch t chy. Nu khng th t chy ra h thng thotnc bn ngoi phi thit k trm bm thot nc. Thit k h thng thotnc bn trong cn tun theo quy nh trong tiu chun hin hnh.

k. i vi h thng thot nc sinh hot cn tch ring nc phn tiu vnc tm ra, sinh hot.

l. Phi thit k h thng thot nc ma trn mi v thot nc ma tng

hm. H thng thot nc ma tng hm c thu gom ti cc h ga sau dng my bm tng bm vo h thng thot nc.

m. Cch b tr phu thu nc ma trn mi phi tnh ton da vo mt bngmi, din tch thu nc cho php ca mt phu thu v kt cu mi.

5.YU CU THIT K THNG GI V IU HA KHNG KHa. H thng thng gi, iu ho khng kh trong nh cao tng c thit k

theo quy nh ca tiu chun hin hnh.b. C th thit k h thng iu ho khng kh trung tm cho cc khng gian

phc v cng cng trong to nh. H thng iu ho khng kh trung tm cth l mt t my c lp hoc khng c lp c t ti mt v tr thchhp vi di ca tuyn ng dn kh i v v khng nn ln hn 60m.

c. i vi cc cn h nn thit k h thng iu ho khng kh cc b . Phicha sn v tr lp t cc thit biu ho v cc ng ng thu nc tmy iu ho khng nh hng n kin trc mt ng ca cng trnhv v sinh mi trng.

d. Khi thit k h thng thng gi v iu ho khng kh trong nh cao tngphi m bo cc chtiu gii hn tin nghi vi kh hu trong phng.

e. Khi thit k h thng thng gi v iu ho khng kh cn phi c cc giiphp cng ngh, gii php kin trc v kt cu mt cch hp l nhm m

bo yu cu v sinh, tiu chun k thut, tit kim v kinh t.


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f.m bo thng gi t nhin cn to gi xuyn phng bng ca n givo v ca thot gi ra.

g. Phi c cc gii php cch nhit, che chn nng theo cc quy nh trongtiu chun hin hnh.

h. ng dn gi ca h thng thng gi, iu tit khng kh phi thng ng thi gi v cp gi. Cc ng ng ny c ghp ni cc nhnh ng gi chomi tng, dng sc y c kh hoc sc y t nhin.

i. ng nhnh mi tng c ni vo ng ng st trn tng trn hoc tngdi so vi tng c ng nhnh.

j.i vi nh cao t 10 tng tr ln, trn ng nhnh ht gi ca hai tng trncng v tr u vo ng ngang phi lp van mt chiu tng.

6.YU CU THIT K CHNG CHY, CHIU SNG V THNG TIN LIN LCa. Thit k chiu sng cho nh cao tng phi tun theo tiu chun hin

hnh v chiu sng. Trit tn dng chiu sng t nhin. Chiu sng t

nhin c th l chiu sng bn, chiu sng trn hoc chiu sng hn hp.b. Cc gii php kin trc che chn nng khng c nh hng n chiu

sng t nhin.c. T phn phi in cung cp chiu sng trong nh cao tng phi c b

tr phng k thut. Cc t, bng in c t cc tng cp in chocc cn h v tin qun l, s dng, sa cha v m bo m quan.

d. Vic cung cp in t t ,bng in tng n bng in ca tng cn hphi i bng cc tuyn dy hoc cp in dc theo hnh lang v chn ngmvo tng. Trng hp kp ni trong tng k thut phi lun dy qua ng

nha t chng chy hoc ng thpe. H thng chiu sng c bo v bng cc ptomt. Cc cng tc iukhin, cm c lp cao 1,20m

f. Ti cc khu vc hnh lang, cu thang, snh tng phi b tr chiu sng sc v chiu sng phn tn ngi.

g. H thng ng dy dn in phi c thit kc lp vi cc h thngkhc v phi m bo d dng thay th, sa cha khi cn thit.. Quy nhlp t ng dy dn in v thit bin c ly theo tiu chun lp tng dy dn in v thit bin trong nh v cng trnh cng cng.

h. Khi thit k nh cao tng phi c bit ch n cc gii php chng st trnh kh nng b st nh thng, chng cm ng tnh in v cm ngin t v chng in p cao ca st lan truyn theo hng dy cp inh p trong cng trnh. Khuyn khch s dng h thng chng st tin tin,bo m thm m kin trc v chng thm, dt mi.

i. Vic la chn gii php chng st c tnh ton theo yu cu trong tiuchun chng st hin hnh.

j. Trong nh cao tng cn phi thit kng b h thng thng tin, lin lc,pht thanh, truyn hnh. Trng hp cn thit c thm h thng iu khint xa cc thit b k thut.

k. Thit k, lp t h thng thng tin lin lc, pht thanh truyn hnh phi tuntheo quy nh ca cc tiu chun chuyn ngnh c lin quan. T phn cp


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c t ti cc phng k thut xy trn b cao 0,5m v c ko ti cchp u dy t ti cc tng. Hp u dy c t cao trn 1,5m.

l. Trong cc cn h, cc cm in thoi t ngm trong tng c b tr cao 0,5m tu theo kin trc ni tht. Mng thu bao in thoi c thit

k theo s nguyn l mng hnh tia.m. Ton b dy dn c i ngm trong tng v ko ra hp u dy cctng, T hp u dy cc tng ko xung t phn cp t tng 1 ura h thng bn ngoi ca thnh ph.

n. Cho php b tr ct ngten thu sng truyn thanh, truyn hnh trn mi nh.Trng hp cn thit, cho php b tr tng gip mi cc thit b thu sngtruyn hnh. H thng mng li truyn hnh t t phn phi n cc cn hphi kn, ng thi phi c gii php chng st cho cc ct thu sng truynhnh.

o.m bo an ninh cho ton b to nh nn b tr b kho m li vo ti

snh chnh.p. H thng cp ga, kh t tp trung phi tun theo quy nh chuyn ngnh c

lin quan.7.YU CU THIT K PHNG CHNG CHY N

a. Khi thit k phng chng chy cho nh cao tng phi tun theo nhngquy nh trong cc tiu chun hin hnh .

b. Phi t chc ng giao thng, h thng cp nc cha chy v h thngbo chy trong khu vc nh cao tng.

c. Nh cao tng phi c thit k vi bc chu la bc I. Gii hn chu la

ti thiu ca cc cu kin v vt liu xy dng c quy nh trong cc tiuchun hin hnh v phng chy, chng chy cho nh v cng trnh .d. Trong nh cao tng phi chia thnh cc vng ngn chy hoc khoang

ngn chy. Vng ngn chy l khong m chia ngi nh theo sut chiurng (chiu di) v chiu cao ngi nh.

e. Phi m bo khong cch an ton phng chy cha chy t ca cn hn li thot nn gn nht trong cng trnh. Khong cch t ca cn hnli thot nn gn nht khng c ln hn 25m.

f. B tr ch xe trong to nh phi m bo cc yu cu ngn chy v thotnn cho ngi khi c s c.

g. Thang thot him phi thit k tip gip vi bn ngoi.h. Li thot nn c coi l an ton khi m bo mt trong cc iu kin sau: i t cc cn h tng1 trc tip ra ngoi hay qua tin snh ra ngoi; i t cn h bt k tng no (tr tng 1) ra hnh lang c li thot.

i. Cu thang v hnh lang thot him phi m bo cc yu cu sau:j. C thng gi iu p v khng b t khi bung thang;k. C n chiu sng s c.l. Trong nh cao tng nn lp t h thng bo chy. Tu thuc vo mc

tin nghi v yu cu s dng m l chn h thng bo chy cho ph hp.

m. H thng bo chy tng c t trung tm to nh, bao gm: t bochy trung tm, bng tn hiu cc vng, u bo khi, u bo nhit v nt


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bo chy khn cp. Ngoi ra phi c thit b bo chy bng tn hiu mthanh v thit b lin lc vi i phng chy cha chy. Yu cu k thut vlp t h thng bo chy phi tun theo tiu chun hin hnh.

n. u bo khi, u bo nhit c lp t cho cc khu vc nh xe, khu

vc cng cng khc v trong cc phng iu khin in, phng iu khinthang my.o. Cc thit b bo ng nh loa truyn thanh, ci bo ng v cc nt bong khn cp c b tr ti tt c cc khu vc, nhng ni d thy, dthao tc. d truyn tn hiu bo ng v thng bo a im xy ra ho hon.

p. Cc hp vi cha chy c t mi tng ti cc snh cu thang v phim bo cung cp nc cha chy khi c chy xy ra.

q. Phi b tr hng ch cha chy bn ngoi nh. Hng ch ny c lp t ni h thng ng ng cha chy bn trong vi ngun cp nc chachy t bn ngoi.

r. Trong nh cao tng phi lp h thng thng gi, ht khi hnh lang vbung thang. Nhng b phn ca h thng ny phi lm bng vt liu khngchy.

s. H thng thng gi hay thi gi bung thang phi m bo an ton chocc thit b v cho vic ng m ca s.

t.m bo yu cu thot ngi khi c s c, phi c gii php khng chokhi t thang my, bung thang lan vo cc tng v ngc li.

u. Trong ging thang my phi m bo cung cp khng kh bn ngoi t hthng ring vo phn trn ca ging thang my khi c chy xy ra.

v. Thit b thng gi, v thot khi phi b tr trong tng hp thng gi ngncch bng ngn chng chy. Phi b tr t cha chy v tiu khin mitng.

III. MT S VN CN LU KHI THIT K NH CAO TNG TI VITNAM1. C S THIT K

Cc d liu kh hu cn c quan tm bao gm: Biu chuyn ng biukin ca mt tri ti a phng, hng gi theo tng ma thi tit, nhit khng kh, m khng kh, lng ma, cng bc x mt tri tc ng trncc mt phng theo cc hng...

Thit k kin trc nh cao tng thch ng vi iu kin kh hu nhit i gima nng m c nhng c th so vi thit k cc th loi kin trc cao tng khc.Phng n thit k kin trc nh cao tng khng chdng li vic xc nhhnh khi v phng hng ca cng trnh c li v phng din n gi t nhinv hn ch tc ng ca ngun nhit do cng bc x mt tri, m phi cnghin cu n tng khng gian chc nng trong mi cn h, trong phi cbit quan tm n cc cn h c v tr khng thun li trong tng th cng trnh.

2. GII PHP THIT Ka. Gii php quy hoch tng th

Cc yu t ca mi trng t nhin nh h thng sng, h, thm thc vt ctc ng nh hng tch cc n cht lng ca gi khi thi n khng gian

ca th ni chung v khng gian khu ni ring, y l yu t cn bn trongvic nng cao cht lng ca mi trng khng kh trong khu .


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Trong thit k th cn ch trng gi gn, pht trin nng cao gi tr ca cc yu tc trng ca mi trng sinh thi t nhin, trong v tr ca cc yu t ny nnb tr u hng gi khi thi n th hoc khng gian cc khu v b tr tronglng cc khu vi phm vi bn knh nh hng c nghin cu hp l.

b. Phng hng cng trnh

Vic nghin cu hnh khi v phng hng a l ti u ca cng trnh cn cxem xt kt hp gia hai yu t chnh, l yu t tc ng ca cng bc xMt tri i vi cc b mt cu trc ca cng trnh v yu t khai thc nng lngchuyn ng ca gi lm mt cc b mt bn ngoi cng nha khng khsch t mi trng vo cc khng gian bn trong ca cng trnh kin trc.Vic chn hnh khi cng trnh v b tr hnh khi theo phng hng a l cn xtu tin trong vic khai thc nng lng gi t nhin m bo iu kin tin nghivi kh hu. i vi cc b mt ca cng trnh chu s tc ng bt li bi nnglng bc x mt tri, ngi thit k c th chng chn ng thi nhiu giiphp x l.

c. B tr cc cng trnh trong khu vc

T cc c trng trn khi nghin cu b tr cc cng trnh kin trc nh cao tngtrong khu , nn nghin cu b cc tng th cc cng trnh theo nhm c dng hnhch U, V, L... Vi cc dng b cc ny, se c hiu qu tc ng nh hng lmthay i hng gi, qua to c trng gi v tc gi thun li khi thi nb mt n gi ca cc cng trnh.

d. Hnh khi cng trnhCc nguyn tc cn quan tm khi xc nh gii php hnh dng khi ca cng trnhm bo yu cu thng gi t nhin cho khng gian ca cc cn h:- Cu trc hnh khi v b tr cc khng gian chc nng trong hnh khi theophng hng a l n c gi cho theo cc ma trong nm, trong utin thng gi t nhin cho cng trnh trong ma nng.- Chiu dy ca cc khng gian bn trong cng trnh c hai mt tip cn vimi trng t nhin, trong c mt mt n c hng gi thi n khng lnhn 17m, m bo hiu qu thng gi trc xuyn i qua khng gian bn trong cngtrnh kin trc.- Gii php t hp v b cc hnh khi cng trnh c cc khng gian m (bntrong khi, trn b mt khi v hng on c gi cho theo cc ma trongnm) tng kh nng cho yu cu thng gi t nhin i vi cc cn h cc vtr khng thun li.- Thit k h thng k thut thng gi t nhin h tr cho cc khng gian subn trong hoc v cc hng khng thun li.

- Kt hp gia hiu qu thng gi t nhin do p lc gi v thng gi t nhindo p lc nhit m bo yu cu thng gi t nhin cho cc khng gian, trongiu kin vn tc chuyn ng ca khng kh bn ngoi thi n c tc nh.

e. B tr cc khng gian chc nng trong tng th hnh khi cng trnhB tr cc khng gian chc nng chnh trong tng th hnh khi cng trnh kin trcnh cao tng cn quan tm bao gm:- V tr ca h thng giao thng theo phng ng v theo phng ngang.- V tr ca cc cn h trong b cc tng th.- V tr ca cc khng gian m c tc ng tch cc trong vic thay i hngv p lc gi t t nhin thi n c cc cn h c v tr khng thun li trn tngth cng trnh.

- V tr ca cc h thng k thut c bn v h thng k thut h tr.


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- H thng giao thng theo phng ng s b tr tip cn vi b mt ngoica cng trnh nhn c nh sng t nhin v an ton cho vic thot him khic s c. i vi h thng giao thng theo phng ngang cn hn ch s dng giiphp hnh lang gia trong cng trnh hoc nt giao thng bt kn.

f. B mt ca cn h tip cn vi mi trng t nhin

i vi cn h trong nh cao tng kh nng tip cn ca b mt cn h vi mitrng t nhin thng thng t 1 -3 hng, ty thuc vo cc yu t:- Cu trc hnh khi ca cng trnh.- V tr c th ca cn h trong mt bng tng so vi phng hng i l.- Din tch v s cc phng chc nng trong cn h.- Cc h thng k thut thit k h tr.Cc nghin cu thc nghim ch ra khng gian c thng gi hiu qu nht lhnh thc thng gi trc xuyn hoc thng gi cho gc v din tch ca thot giphi m bo khng nh hn din tch ca ca n gi. Kt hp vi yu t hnggi trong t nhin thng xuyn thay i theo thi gian, do vic thit k cn hc t 2 n 3 b mt tip cn vi mi trng t nhin s gip chiu sng t nhin

cho tt c cc khng gian v m bo yu cu thng gi t nhin t c hiu qucao.

g. B tr cc khng gian chc nng trong mt bng cn hVic b tr cc khng gian trong mt bng cn h cn m bo cc yu cu:- V tr cc khng gian chc nng ph hp vi yu cu tp qun s dng.

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